How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 6/20100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Uruguay 2 Japan 2 +1.0
+1.0
-0.6
Argentina 1 Paraguay 1 +0.5
+0.5
Ecuador 1 Chile 2 +0.2
+0.2
-0.1
Bolivia 1 Peru 3 -0.2
-0.2
-0.0
Colombia 1 Qatar 0 +0.1
+0.1
-0.0
Brazil 0 Venezuela 0 -0.1
-0.1
+0.1
Week of 6/24100.0*Chance in playoffs100.0*Round of 8100.0*Average seed
Chile 0 Uruguay 1 In
Yes
+2.1
Colombia 1 Paraguay 0 In
Yes
-0.1
Ecuador 1 Japan 1 In
Yes
+0.1
Bolivia 1 Venezuela 3 -0.1
Points
Chance Will Make Playoffs